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Federal Register / Vol. 86, No. 96 / Thursday, May 20, 2021 / Proposed Rules instructions, whereas sections 8.2.1, 8.2.2, and 8.2.3 provide the test apparatus and instructions needed for performing the test procedure.
Therefore, DOE also proposes to exclude the reference to section 8.2 of ASME
A112.19.22018 in Appendix T.

DOE requests comment on its proposal to remove references to section 7.1 and 8.2 of ASME A112.19.22018 in Appendix T.
C. Definitions Several terms and definitions in ASME A112.19.22018 related to water
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closets and urinals vary from those in DOE regulations, including terms not defined in 10 CFR 430.2. Table III1
provides a summary of the terms and definitions discussed in this NOPR.

TABLE III1WATER CLOSETS AND URINALS: TERMS AND DEFINITIONS
Term
Usage in Appendix T, 10 CFR 430.32q or 10 CFR 430.32r
DOE definition 10 CFR 430.2

ASME definition A112.19.22018

DOEs proposal
Toilet

10 CFR 430.32q

None

None

Electromechanical hydraulic toilet.

10 CFR 430.32q

A water closet that utilizes elecNone
trically operated devices such as, but not limited to, air compressors, pumps, solenoids, motors, or macerators in place of or to aid gravity in evacuating waste from the toilet.

Electro-hydraulic water closet.

Not used

None

Replace term with water closet..
Replace term with electromechanical hydraulic water closet while maintaining existing definition.
No update.

Blowout toilet

10 CFR 430.32q

Blowout bowl

Appendix T

A water closet that uses a nonsiphonic bowl with an integral flushing rim, a trap at the rear of the bowl, and a visible or concealed jet that operates with a blowout action.
None

Blowout action

Not used

None

Blowout water closet.

Appendix T

None

Gravity flush tank water closet.

Appendix T

None

Siphonic bowl

Appendix T

None

Siphonic action

Not used

None

Trough-type urinal
10 CFR 430.32r

None

These terms and definitions are discussed in greater detail in the following paragraphs.
1. Toilet Versus Water Closet Although EPCA and DOEs test procedure use the term water closet, several terms in 10 CFR 430.32q reference the term toilet instead,
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A water closet with a nonmechanical trap seal incorporating an electric motor and controller to facilitate flushing.
None

A non-siphonic water closet bowl with an integral flushing rim, a trap at the rear of the bowl, and a visible or concealed jet that operates with a blowout action.
A means of flushing a water closet whereby a jet of water directed at the bowl outlet opening pushes the bowl contents into the upleg, over the weir, and into the gravity drainage system.
None
A water closet designed to flush the bowl with water supplied by gravity only.
A water closet bowl that has an integral flushing rim, a trap at the front or rear, and a floor or wall outlet, and operated with a siphonic action with or without a jet.
The movement of water through a flushing fixture by creating a siphon to remove waste material.
None

which is not defined. See 42 U.S.C.
6292a17 DOE defines water closet at 10 CFR 430.2. DOE understands the terms toilet and water closet as interchangeable. As such, and consistent with the nomenclature in EPCA and DOEs product definitions, DOE proposes in this NOPR to replace
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Replace term with blowout bowl water closet..

Adopt ASME
A112.19.2
2018 definition.
Adopt ASME
A112.19.2
2018 definition.

Replace term with blowout bowl water closet..
Adopt ASME
A112.19.2
2018 definition.
Adopt ASME
A112.19.2
2018 definition.

Adopt ASME
A112.19.2
2018 definition.
Adopt Californias regulatory definition.

all instances of the term toilet in 10
CFR 430.32q with water closet.
Specifically, this proposal includes replacing toilet with water closet in the following terms: Gravity tank-type toilet, flushometer tank toilet, electromechanical hydraulic toilet and blowout toilet. DOE is also proposing
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